5. Stroop Color and Word Test: (5 minutes) This test (Stroop, 1935; Golden, 2002) measures cognitive control by asking subjects to suppress a habitual response in favor of an alternate response. Participants are shown a word and asked to name the color in which the word is written Total time expected for cognitive task tests is 28-33 min. If the patients' were able to drive and have been driving for at least one year, they were required to perform driving simulation. After performing the baseline cognitive task tests, baseline driving simulation (15 minutes) on the driving simulator.